抄録
The activities in permanent magnet committee in the institute of electrical engineers of Japan from April, 2008 to March, 2010 were summarized and reported. The main topics are; (1) rare-earth elements resource problem, (2) research activities in Japan, (3) applications of permanent magnets, (4) some technical and research topics, and (5) overview of a basic problem in Nd-Fe-B magnets; the grain boundary properties.